https://www.rcindia.org/rc-general-topics/7-seven-ways-to-call-live-agent-at-british-airways-customer-service-step-by-ste/new/#new
https://www.rcindia.org/beginners-zone/11-ways-to-connect-with-customer-advocacy-feedback-management-and-service-exce/new/#new
https://polyamory.com/threads/10-ten-ways-to-call-to-someone-at-delta-airlines-r-step-by-step-guide.158217/
https://club.autodoc.co.uk/forum/topic/proven-8-ways-to-speak-to-live-agent-at-luthansa-airline%ef%b8%8f-a-complete-guide
https://regions-and-cities.europa.eu/sites/default/files/webform/multimedia_center/_sid_/ComoponerFrontierenespanol_3.pdf
https://polyamory.com/threads/six-ways-to-contact-how-can-i-speak-to-someone-at-american-airlines-an-easy-guide.158210/
https://polyamory.com/threads/six-ways-to-contact-a-live-person-at-expedia-r-for-customer-services-phone-email.158233/
